* {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 820px;
  height: 560px;
  background-color: white;
  border: 3px solid black;
  border-radius: 10px;
  text-align: center;
}

.title {
  margin-top: 50px;
  font-size: 27px;
  font-weight: 700;
}

.info {
  margin-top: 30px;
  font-size: 18px;
  color: #222;
  font-weight: 100;
}

.codes {
  display: flex;
  width: 100%;
  height: 88px;
  justify-content: space-between;
  margin-top: 60px;
}

.code {
  width: 15%;
  height: 160px;
  overflow: hidden;
  position: relative;
  border-radius: 10px;
  /* border: 1px solid red; */
}

input {
  width: 100%;
  height: 100%;
  text-align: center;
  font-size: 70px;
  background-color: #ffffff00;
  position: relative;
  border-radius: 10px;
}

input:focus{
  outline: red;
  border: 3px solid rgb(0, 187, 255);
}

.code::before {
  content: "0";
  position: absolute;
  top: 37px;
  left: 0;
  font-size: 70px;
  color: #7f7f7f;
  width: 100%;
  height: 100%;
  background-color: #ffffff00;
  pointer-events: none; /* 防止伪元素干扰点击 */
}

.code.no-bac::before {
  content: none;
}

.num {
  position: absolute;
  width: 100px;
  height: 100px;
  line-height: 120px;
  font-size: 70px;
  color: black;
  z-index: 2;
}
.footer {
  margin: 0 auto;
  width: 70%;
  margin-top: 130px;
  padding: 20px 20px;
  background-color: #eaeaea;
  border-radius: 15px;
}
